9642725 has 6 divisors (see below), whose sum is σ = 11957010. Its totient is φ = 7714160.

The previous prime is 9642719. The next prime is 9642751. The reversal of 9642725 is 5272469.

It can be written as a sum of positive squares in 3 ways, for example, as 1151329 + 8491396 = 1073^2 + 2914^2 .

It is not a de Polignac number, because 9642725 - 2¹⁴ = 9626341 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192830 + ... + 192879.

It is an arithmetic number, because the mean of its divisors is an integer number (1992835).

Almost surely, 2^9642725 is an apocalyptic number.

It is an amenable number.

9642725 is a deficient number, since it is larger than the sum of its proper divisors (2314285).

9642725 is a wasteful number, since it uses less digits than its factorization.

9642725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385719 (or 385714 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 9642725 is about 3105.2737399463. The cubic root of 9642725 is about 212.8465395247.

The spelling of 9642725 in words is "nine million, six hundred forty-two thousand, seven hundred twenty-five".